AS19281 Quad9 - bgp.tools

Quad9

AS Number 19281
Website https://www.quad9.net

Registered on: 13 Sep 2017 (8 years old)
Registered to: ARIN-CLEAN-97 (arin)

Network status: Active, Allocated under ARIN

Network type: Content

Prefixes Originated: 5 IPv4, 1 IPv6

Upstreams

AS42 - WoodyNet, Inc.
AS5050 - Pittsburgh Supercomputing Center
AS49544 - i3D.net B.V
AS20326 - TeraSwitch Networks Inc.
AS2495 - Kansas Research and Education Network
AS58511 - Swoop (Anycast Global Backbone)
AS50629 - LWLcom GmbH
AS49115 - E-MAX INTERNET & IT s.r.o.

Locations of Operation

United States

Tags:

Prefixes Originated

5 IPv4, 1 IPv6

Addresses Originated

5 /24's of IPv4

1 /48's of IPv6

	Prefix	Description
	147.72.242.0/24	Pittsburgh Supercomputing Center
	9.9.9.0/24	Quad9
	149.112.112.0/24	Quad9
	149.112.149.0/24	Quad9
	199.249.255.0/24	Quad9
	2620:fe::/48	Quad9

Upstreams: 14

Peers: 16

Network Policy

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How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS42	WoodyNet, Inc.	✔	✔
AS5050	Pittsburgh Supercomputing Center	✔	✔
AS49544	i3D.net B.V	✔	✔
AS20326	TeraSwitch Networks Inc.	✔	✔
AS2495	Kansas Research and Education Network	✔	✔
AS58511	Swoop (Anycast Global Backbone)	✔	✔
AS50629	LWLcom GmbH	✔	✔
AS49115	E-MAX INTERNET & IT s.r.o.	✔	✔
AS7195	EdgeUno	✔	✔
AS14041	University Corporation for Atmospheric Research	✔	✘
AS42541	Fiberby ApS	✔	✔
AS51095	EdgeUno, Inc.	✔	✔
AS27552	TowardEX Technologies International, Inc.	✔	✘
AS198385	AlpineDC SA	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS42	WoodyNet, Inc.	✔	✔
AS5050	Pittsburgh Supercomputing Center	✔	✔
AS49544	i3D.net B.V	✔	✔
AS2495	Kansas Research and Education Network	✔	✔
AS7195	EdgeUno	✔	✔
AS58511	Swoop (Anycast Global Backbone)	✔	✔
AS20326	TeraSwitch Networks Inc.	✔	✔
AS50629	LWLcom GmbH	✔	✔
AS42541	Fiberby ApS	✔	✔
AS49115	E-MAX INTERNET & IT s.r.o.	✔	✔
AS328977	Wavex Internet Service Provider LTD	✔	✘
AS14041	University Corporation for Atmospheric Research	✔	✔
AS51095	EdgeUno, Inc.	✔	✔
AS1741	CSC - Tieteen tietotekniikan keskus Oy	✔	✔
AS198385	AlpineDC SA	✔	✔
AS27552	TowardEX Technologies International, Inc.	✔	✔

ASHandle:       AS19281
OrgID:          CLEAN-97
ASName:         QUAD9-AS-1
ASNumber:       19281
RegDate:        2017-09-13
Comment:        Quad9 is a non-profit that provides free, secure, open DNS recursive resolution services on our anycast address space. Please see https://www.quad9.net/ for details.
Updated:        2019-11-13
Source:         ARIN



OrgID:          CLEAN-97
OrgName:        Quad9
CanAllocate:    
Street:         CleanerDNS Inc. dba Quad9
Street:         1442A Walnut Street, Suite 501
City:           Berkeley
State/Prov:     CA
Country:        US
PostalCode:     94709
Comment:        https://quad9.net/
Comment:        Global Public Recursive DNS Resolver Service
RegDate:        2017-09-07
Updated:        2025-01-10
OrgAdminHandle: QUADA-ARIN
OrgTechHandle:  KARAD10-ARIN
OrgTechHandle:  QNO5-ARIN
OrgTechHandle:  SHRES60-ARIN
OrgAbuseHandle: QUADA1-ARIN
OrgNOCHandle:   QNO5-ARIN
Source:         ARIN





OrgAdminHandle:       QUADA-ARIN
OrgAdminName:          Quad9 Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        KARAD10-ARIN
OrgTechName:          Darren Kara
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        QNO5-ARIN
OrgTechName:           Quad9 Network Operations
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        SHRES60-ARIN
OrgTechName:          Kabindra Shrestha
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       QUADA1-ARIN
OrgAbuseName:          Quad9 Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         QNO5-ARIN
OrgNOCName:            Quad9 Network Operations
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:31:12Z UTC

Member of the following AS-SETs

-	Member
RIPE	as213973:as-bcix
ALTDB	as-towardex-customers
RADB	as-btn-customers
RADB	as-softlayer
RADB	as-ctbc-tools
RIPE	as-emax
ARIN	as-quad9-anycast
RADB	as-e1-automation-customer
JPIRR	as-bbix-t-v6
RIPE	as-openixp
RIPE	as-funet
RIPE	as-towardex-customers
RADB	as-bbix-t
LEVEL3	as-towardex
RADB	as-cit-cust
RIPE	as16374:as-bcix-rs
RADB	as396998:as-customers-1
RIPE	as61010:as-ipnet-ix-ktkz
RIPE	as16374:as-bcix-all
RADB	as-packet
RIPE	as34984:as-tellcom
LEVEL3	as-yipes
RADB	as-towardex-customers
ARIN	as2495:as-members
LEVEL3	as-towardex-customers
RADB	as-hurricanev6
RIPE	as213597:as-quad9-all
RADB	as-frgp
RIPE	as-alpinedc
JPIRR	as-bbix-t
ARIN	as-nnenix-connectors
RADB	as-7195:as-protected-cust
APNIC	as141013:as-getafix-reach-peers
RIPE	as-itc
RADB	as5050:as-commodity-only
RADB	as7606:as-nsw-ix
RADB	as-bbix-t-v6
RADB	as-edgeuno-tr
LEVEL3	as-sprint-origins
RIPE	as-lwl
ARIN	as396998:as-customers-1
RADB	as-yipes
RADB	as7545:as-tpgn-customers
RADB	as-pch

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Upstreams

Locations of Operation

Tags:

Network Policy

Prefixes in selected policy

Upstreams

Peers

Member of the following AS-SETs

Internet Exchange Points